Analyst, Greg Miller, said, "Akamai reported surprisingly strong 2Q12 results last night that defied recent trends. Revs, EBITDA and adjusted EPS that were so far ahead of expectations would suggest a sudden and unexplained inflection point in 2Q12 that began to drive Cloud growth again. Although the stock will likely trade higher, we remain on the sidelines until it is clear we are beyond the unexplained swings in revenue growth in any given quarter."

Shares are trading up 23% to $34.75 in afternoon trading.

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